2020銀行校園招聘考試：英語單選題（3）
He has made a discovery, ______ of great importance to the progress of science and technology.
A. of which I think it is
B. which I think is
C. which I think it is
D. I think which is
東吳教育參考答案解析
【答案】B。解析：考查非限制性定語從句。句意：他有了一項發(fā)現(xiàn)，在我看來，這一發(fā)現(xiàn)對科技進步具有十分重要的意義。分析從句可知，which在從句中作主語，所以不能再加it作主語，排除A、C；另外I think是插入語，不應該放在定語從句的開頭，排除D。故答案選B。
